%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-3-15 on page I-164 in "xfrac --- Customizable \protect \sfrac [hls-bf]{text}{fractions}".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{48.0pt}

  \setlength\parindent{0pt}

%StartShownPreambleCommands
\usepackage{xfrac,fix-cm}
%StopShownPreambleCommands

\begin{document}
 \sfrac{1}{4}  \sfrac{2}[/]{4}  \sfrac{3}[|]{4}  \sfrac{4}[\textbackslash]{4}
    \\[3pt]            And in math:       \\[3pt]
$\sfrac{1}{4}\,\sfrac{2}[/]{4}\,\sfrac{3}[|]{4}\,\sfrac{4}[\setminus]{4}$
\end{document}
